Vue JS Encrypt LocalStorage

let obj = {"studentName":"John Smith","studentId":"CSC001"};
const envryptedObject = AES.encrypt(JSON.stringify(obj),'MYKEY4DEMO');
sessionStorage.setItem('envryptedObject', envryptedObject.toString());

const decrypted2 = AES.decrypt(sessionStorage.getItem('envryptedObject'), 'MYKEY4DEMO');
const decryptedObject = decrypted2.toString(enc.Utf8);
sessionStorage.setItem('decryptedObject', decryptedObject);
Bored Bug